Product Description
FV-WC10VE1 WhisperVent™ Wall Cap is a dual-chamber exterior wall cap designed for Panasonic Intelli-Balance® 100 and WhisperComfort® 60 ERV systems. This unique Y-shape cap enables both intake and exhaust ventilation through a single 7.5” wall penetration, while internal baffles prevent cross-contamination. With airflow ratings up to 100 CFM per side, the FV-WC10VE1 offers a space-saving, code-compliant solution for residential ERV applications.
Brand: Panasonic
Model: FV-WC10VE1
Type: Dual-Chamber Exterior Wall Cap
Airflow Capacity: Up to 100 CFM per intake and exhaust side
Compatible Units: Intelli-Balance® 100, WhisperComfort® 60 ERV
Free shipping on orders over $250
Product Benefits
- Combines intake and exhaust airflow in a single compact exterior wall opening
- Prevents cross-contamination with internal chamber dividers
- Speeds up installation and reduces wall penetrations
- Compatible with Panasonic ERVs supporting up to 100 CFM per side
Key Features
- Y-Shaped Design: Routes both supply and exhaust through one 7.5” wall cutout
- Pressure Drop: 0.19” w.g. (intake) and 0.24” w.g. (exhaust) at 100 CFM
- Internal Dividers: Built-in partitions eliminate risk of air mixing
- Durable Materials: EPS duct and polypropylene cap resist weathering
- Secure Mounting: Pre-drilled for fast installation to siding or sheathing
Specifications
Physical Dimensions
| Cap Height | 10-3/8" |
| Cap Width | 15-9/16" |
| Duct Length | 26-7/8" |
| Y-Center Width | 8-3/8" |
| Cap Depth | 4-15/16" |
Performance
| Max Airflow (each chamber) | 100 CFM |
| Pressure Drop @ 100 CFM (intake) | 0.19 in. w.g. |
| Pressure Drop @ 100 CFM (exhaust) | 0.24 in. w.g. |
| Operating Range | Do not install in temperatures below -13°F (-25°C) |
Materials & Construction
| Duct Material | EPS (Expanded Polystyrene) |
| Cap Material | Polypropylene (PP) |
Application Examples
- Single exterior penetration for ERV supply and exhaust in residential walls
- Energy-efficient homes requiring tight building envelopes
- Panasonic Intelli-Balance® 100 and WhisperComfort® 60 installations
- Multi-unit dwellings and new construction with space or design constraints
Installation Tips
- Install on a structurally solid wall surface; avoid high-temp or combustion areas
- Maintain a 5° upward angle on duct pipe when inserted into exterior hood
- Use mastic or approved foil tape and zip ties to secure insulated duct connections
- Ensure no gaps remain during final sealing and caulking
- Cut a 7.5” circular opening through wall sheathing and siding
Frequently Asked Questions
What ERVs are compatible with the FV-WC10VE1?
It is designed for Panasonic WhisperComfort® 60 and Intelli-Balance® 100 Series ERVs.
How does it prevent cross-contamination?
The cap’s Y-chamber has internal dividers that keep intake and exhaust airflows physically separated.
What size hole is required in the wall?
You’ll need a circular hole measuring 7.5" to 7.75" diameter for proper fit.
Can I install this in cold climates?
It should not be installed in environments where temperatures drop below -13°F (-25°C).
Does the wall cap come with all mounting hardware?
Yes, screws and instructions are included for wall mounting and duct connection.
What material is the duct made from?
The duct is constructed from Expanded Polystyrene (EPS), while the exterior cap is Polypropylene (PP).
What airflow capacity does it support?
Each duct chamber is rated for up to 100 CFM—suitable for standard residential ERV needs.
